Bahco 7800DZ-13/16 13/16" x 1/2" Bi-Hex Socket

13/16" bi-hex (12 sides) socket with 1/2" square drive.Dynamic-drive profile creates less wear on the fastener and maximum load/torque distribution comes from the additional flank area.Made from high performance alloy steel with a highly polished finish.Features a knurled shank for finger turning of free running fasteners.Adheres to standards ISO 2725, ISO 1174, DIN 3124 and DIN 3120.Not suitable for use with power tools or machine operation.